I tried running in debug mode, and this is what I got in the log:
[2009-07-19 07:35:11] [iNFO ] Recuva v1.28.424
[2009-07-19 07:35:11] [iNFO ] System Info: MS Windows Vista Ultimate 64-bit SP2, AMD Turion X2 Dual-Core Mobile RM-72, 4.0GB RAM, ATI Radeon HD 3200 Graphics
[2009-07-19 07:35:17] [iNFO ] No update available
[2009-07-19 07:35:21] [iNFO ] Boot sector: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=
[2009-07-19 07:35:21] [iNFO ] FS type detected by BPB parameters, OEM name is unknown.
[2009-07-19 07:35:21] [iNFO ] Processing folders from 2
[2009-07-19 07:35:21] [iNFO ] Analyzing damage
[2009-07-19 07:35:21] [iNFO ] 962 deleted files, 337 filesystem objects
[2009-07-19 07:35:22] [iNFO ] Processing recycle bin
[2009-07-19 07:35:22] [iNFO ] Returning list
[2009-07-19 07:35:22] [iNFO ] 609 / 171
[2009-07-19 07:35:22] [iNFO ] Exiting scan
[2009-07-19 07:35:22] [ERROR] Not a PNG file
[2009-07-19 07:35:23] [ERROR] Not a PNG file
I don't know if it makes a difference, but I'm running on a 64 bit system.
Every time I try running recuva, it goes through the process, displays some thumbnails, and then stops running and asks if I want to report the problem to Windows. I'm not sure what to do at this point.